Getting Frequency/Support for Single Items
Provides the generic function
itemFrequency and S4 methods to get the
frequency/support for all single items in an objects based on
itemMatrix. For example, it is used to get the single
item support from an object of class
1 2 3 4
further arguments are passed on.
a character string specifying
should support be weighted by transactions weights stored
itemFrequency returns a named numeric vector. Each element is the
frequency/support of the corresponding item in object
x. The items
appear in the vector in the same order as in the binary matrix in
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